[PATCH v2 1/3] dt-bindings: soc: imx: fsl,imx93-media-blk-ctrl: Allow LVDS Display Bridge child node

[Liu Ying]

On Wed, Jun 10, 2026 at 09:46:39AM +0200, Krzysztof Kozlowski wrote:
> On Mon, Jun 08, 2026 at 05:04:22PM +0800, Liu Ying wrote:
> > i.MX93 SoC mediamix blk-ctrl contains one LDB_CTRL register and one LVDS
> > register which control video output through a LVDS interface.  Allow the
> > LVDS Display Bridge(LDB) child node and add the child node to example.
> > 
> > Signed-off-by: Liu Ying <victor.liu at nxp.com>
> > ---
> >  .../bindings/soc/imx/fsl,imx93-media-blk-ctrl.yaml | 39 ++++++++++++++++++++++
> >  1 file changed, 39 insertions(+)
> > 
> > diff --git a/Documentation/devicetree/bindings/soc/imx/fsl,imx93-media-blk-ctrl.yaml b/Documentation/devicetree/bindings/soc/imx/fsl,imx93-media-blk-ctrl.yaml
> > index d828c2e82965..124f5c206ee3 100644
> > --- a/Documentation/devicetree/bindings/soc/imx/fsl,imx93-media-blk-ctrl.yaml
> > +++ b/Documentation/devicetree/bindings/soc/imx/fsl,imx93-media-blk-ctrl.yaml
> > @@ -26,6 +26,12 @@ properties:
> >    reg:
> >      maxItems: 1
> >  
> > +  '#address-cells':
> > +    const: 1
> > +
> > +  '#size-cells':
> > +    const: 1
> > +
> >    '#power-domain-cells':
> >      const: 1
> >  
> > @@ -92,6 +98,11 @@ properties:
> >        - compatible
> >        - ports
> >  
> > +  bridge at 20:
> 
> You have dpi-bridge, so this should not be different. You should not mix
> addressable and non-addressable nodes and NXP decided recently in
> 3feaa4342637eef673243dd38ccb32e8dc8efd5a that everything will be
> non-addressable.
> 
> Writing bindings ask explicitly to post bindings, so if you decide to do
> half-baked solutions it's on you. Half baked solutions are not allowing
> to bypass standard rules.

Mixing addressable and non-addressable nodes is allowed according to recent
discussion[1].

[1] https://lore.kernel.org/all/n6akxiayi3g6gxcqhreb4iaohmeokoalnqup6h5r2fwdt4zijt@u2wyps55ayqm/

> 
> Best regards,
> Krzysztof
> 

-- 
Regards,
Liu Ying